code: def __call__(self, df):
      new_shape = list(df.shape)
      new_shape[0] = np.nan
  
      params = df.params.copy()
      params["index_value"] = parse_index(
          None, df.key, df.index_value.key
      )
      params["shape"] = tuple(new_shape)
      return self.new_tileable([df], **params)
  
imports: import itertools
  import numpy
  import pandas
  from ...None import opcodes
  from ...core import OutputType, recursive_tile
  from ...config import options
  from ...serialization.serializables import AnyField, BoolField, StringField, Int32Field
  from ...utils import no_default, pd_release_version
  from ..align import align_dataframe_series
  from ..operands import DataFrameOperand, DataFrameOperandMixin
  from ..utils import parse_index, validate_axis
label_desc: Use image node_id 9 for calling the DataFrameDropNA obj's underlying member method code with example usage: obj.__call__(df) and returns: self